5 files changed, 35 insertions, 3 deletions
diff --git a/gcc/testsuite/gcc.dg/Wconversion-complex-c99.c b/gcc/testsuite/gcc.dg/Wconversion-complex-c99.c
index e8bc9db237d..69281c7d71e 100644
--- a/gcc/testsuite/gcc.dg/Wconversion-complex-c99.c
+++ b/gcc/testsuite/gcc.dg/Wconversion-complex-c99.c
@@ -6,7 +6,7 @@
 
 /* { dg-do compile } */
 /* { dg-skip-if "doubles are floats,ints are 16bits" { "avr-*-*" } } */
-/* { dg-options " -std=c99 -pedantic -Wconversion " } */
+/* { dg-options " -std=c99 -pedantic -Wconversion -fno-trapping-math" } */
 /* { dg-require-effective-target int32plus } */
 /* { dg-require-effective-target double64plus } */
 
diff --git a/gcc/testsuite/gcc.dg/Wconversion-real-integer.c b/gcc/testsuite/gcc.dg/Wconversion-real-integer.c
index 92e6987d9ec..ca6007f4fe8 100644
--- a/gcc/testsuite/gcc.dg/Wconversion-real-integer.c
+++ b/gcc/testsuite/gcc.dg/Wconversion-real-integer.c
@@ -3,7 +3,7 @@
 
 /* { dg-do compile } */
 /* { dg-skip-if "doubles are floats,ints are 16bits" { "avr-*-*" } } */
-/* { dg-options "-std=c99 -Wconversion" } */
+/* { dg-options "-std=c99 -Wconversion -fno-trapping-math" } */
 /* { dg-require-effective-target int32plus } */
 /* { dg-require-effective-target double64plus } */
 #include <limits.h>
diff --git a/gcc/testsuite/gcc.dg/c90-const-expr-11.c b/gcc/testsuite/gcc.dg/c90-const-expr-11.c
index a2720c47bf4..65aab10a129 100644
--- a/gcc/testsuite/gcc.dg/c90-const-expr-11.c
+++ b/gcc/testsuite/gcc.dg/c90-const-expr-11.c
@@ -2,7 +2,7 @@
    constant expressions.  */
 /* Origin: Joseph Myers <joseph@codesourcery.com> */
 /* { dg-do compile } */
-/* { dg-options "-std=iso9899:1990 -pedantic-errors -O2" } */
+/* { dg-options "-std=iso9899:1990 -pedantic-errors -O2 -fno-trapping-math" } */
 
 #include <float.h>
 #include <limits.h>
diff --git a/gcc/testsuite/gcc.dg/overflow-warn-8.c b/gcc/testsuite/gcc.dg/overflow-warn-8.c
index e76bcac5e07..75bfa74f3dc 100644
--- a/gcc/testsuite/gcc.dg/overflow-warn-8.c
+++ b/gcc/testsuite/gcc.dg/overflow-warn-8.c
@@ -1,5 +1,6 @@
 #include <limits.h>
 
+/* { dg-options " -fno-trapping-math" } */
 void foo (int j)
 {
   int i1 = (int)(double)1.0 + INT_MAX; /* { dg-warning "integer overflow" } */
diff --git a/gcc/testsuite/gcc.dg/pr100927.c b/gcc/testsuite/gcc.dg/pr100927.c
new file mode 100644
index 00000000000..ea0e627befa
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr100927.c
@@ -0,0 +1,31 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -ftrapping-math -fdump-tree-optimized -fdump-rtl-final" } */
+/* { dg-final { scan-tree-dump-times {(?n)= \(int\)} 3 "optimized" } }  */
+/* { dg-final { scan-rtl-dump-times {(?n)\(fix:SI} 3 "final" } }  */
+
+int
+foo_ofr ()
+{
+  union {float a;
+    int b;}c;
+  c.b = 0x4f000000;
+  return (int)c.a;
+}
+
+int
+foo_inf ()
+{
+  union {float a;
+    int b;}c;
+  c.b = 0xff800000;
+  return (int)c.a;
+}
+
+int
+foo_nan ()
+{
+  union {float a;
+    int b;}c;
+  c.b = 0xff800001;
+  return (int)c.a;
+}